There is actually an open-source clickheat plugin for Piwik: http://dev.piwik.org/trac/ticket/73 http://dev.piwik.org/trac/ticket/73 It took a few steps to int

There is actually an open-source clickheat plugin for Piwik: http://dev.piwik.org/trac/ticket/73 http://dev.piwik.org/trac/ticket/73 It took a few steps to integrate it, but it's working fairly well for me.